66625000

素因数分解:

$2^3\times 5^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 112

約数和(自身を含む): 172263420

約数和(自身を除く): 105638420

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 125, 130, 164, 200, 205, 250, 260, 325, 328, 410, 500, 520, 533, 625, 650, 820, 1000, 1025, 1066, 1250, 1300, 1625, 1640, 2050, 2132, 2500, 2600, 2665, 3125, 3250, 4100, 4264, 5000, 5125, 5330, 6250, 6500, 8125, 8200, 10250, 10660, 12500, 13000, 13325, 15625, 16250, 20500, 21320, 25000, 25625, 26650, 31250, 32500, 40625, 41000, 51250, 53300, 62500, 65000, 66625, 81250, 102500, 106600, 125000, 128125, 133250, 162500, 203125, 205000, 256250, 266500, 325000, 333125, 406250, 512500, 533000, 640625, 666250, 812500, 1025000, 1281250, 1332500, 1625000, 1665625, 2562500, 2665000, 3331250, 5125000, 6662500, 8328125, 13325000, 16656250, 33312500, 66625000]

約数ペア:

[(1, 66625000), (2, 33312500), (4, 16656250), (5, 13325000), (8, 8328125), (10, 6662500), (13, 5125000), (20, 3331250), (25, 2665000), (26, 2562500), (40, 1665625), (41, 1625000), (50, 1332500), (52, 1281250), (65, 1025000), (82, 812500), (100, 666250), (104, 640625), (125, 533000), (130, 512500), (164, 406250), (200, 333125), (205, 325000), (250, 266500), (260, 256250), (325, 205000), (328, 203125), (410, 162500), (500, 133250), (520, 128125), (533, 125000), (625, 106600), (650, 102500), (820, 81250), (1000, 66625), (1025, 65000), (1066, 62500), (1250, 53300), (1300, 51250), (1625, 41000), (1640, 40625), (2050, 32500), (2132, 31250), (2500, 26650), (2600, 25625), (2665, 25000), (3125, 21320), (3250, 20500), (4100, 16250), (4264, 15625), (5000, 13325), (5125, 13000), (5330, 12500), (6250, 10660), (6500, 10250), (8125, 8200)]